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Abstract algebra

  1. Oct 8, 2008 #1
    please help me on these one.

    Is Z a subring in the set of Q? why?

    Is R a field? Why?

    Thank you.
     
  2. jcsd
  3. Oct 8, 2008 #2

    CompuChip

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    What are the axioms of a ring? Of a field?
     
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